/Engine/Source/Editor/AnimationBlueprintLibrary/Public/AnimationBlueprintLibrary.h
Removes Animation Notify Events found by Track within the Animation Sequence, and returns the number of removed name instances
static int32 RemoveAnimationNotifyEventsByTrack ( [UAnimSequenceBase](API\Runtime\Engine\Animation\UAnimSequenceBase) * AnimationSequenceBase, [FName](API\Runtime\Core\UObject\FName) NotifyTrackName )